/*
 * Copyright (C) 2010 Graham Allan
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package edu.strath.cis.grallan.findbugs.adaptiveranking.gui.sort;

import java.util.Comparator;

import edu.strath.cis.grallan.findbugs.adaptiveranking.AdaptiveRanker;
import edu.strath.cis.grallan.findbugs.adaptiveranking.arm.ARMRank;
import edu.umd.cs.findbugs.BugInstance;
import edu.umd.cs.findbugs.gui2.BugLeafNode;
import edu.umd.cs.findbugs.gui2.MainFrame;
import edu.umd.cs.findbugs.gui2.BugAspects.SortableValue;
import edu.umd.cs.findbugs.gui2.sort.AbstractSortable;

/**
 * @author Graham Allan (grallan@cis.strath.ac.uk)
 */
public class ARMRankSortable extends AbstractSortable {

	private final AdaptiveRanker<ARMRank> armRanker;

	public ARMRankSortable(String prettyName, AdaptiveRanker<ARMRank> armRanker) {
		super(prettyName);
		this.armRanker = armRanker;
	}

	@Override
	public String getFrom(BugInstance bug) {
		ARMRank rankForBug = armRanker.rankingComputed() ? armRanker.getRankFor(bug) : null;

		double armRank = rankForBug != null ? rankForBug.rank() : 0.0d;
		return Double.toString(armRank);
	}

	@Override
	public boolean isAvailable(MainFrame frame) {
		return armRanker != null;
	}

	@Override
	public int compare(SortableValue one, SortableValue two) {
		try {
			double oneValue = Double.parseDouble(one.value);
			double twoValue = Double.parseDouble(two.value);
			return Double.compare(twoValue, oneValue);
		} catch (NumberFormatException nfe) {
			return 0;
		}
	}

	private Comparator<BugLeafNode> bugLeafNodeComparator = new BugLeafPriorityComparator();

	@Override
	public Comparator<BugLeafNode> getBugLeafNodeComparator() {
		return bugLeafNodeComparator;

	}
}
